535  
CDUS43 KLMK 202126  
CLISDF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LOUISVILLE KY  
526 PM EDT SAT SEP 20 2025  
   
...............................  
 
   
..THE LOUISVILLE KY CLIMATE SUMMARY FOR SEPTEMBER 20 2025  
 
VALID TODAY AS OF 0525 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1871 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 92 359 PM 96 1895 81 11 93  
MINIMUM 66 734 AM 43 1896 60 6 69  
1956  
AVERAGE 79 71 8 81  
 
PRECIPITATION (IN)  
TODAY 0.00 3.95 2009 0.12 -0.12 0.00  
MONTH TO DATE 0.80 2.34 -1.54 1.44  
SINCE SEP 1 0.80 2.34 -1.54 1.44  
SINCE JAN 1 39.77 35.75 4.02 31.59  
 
SNOWFALL (IN)  
TODAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 2 4 -2 3  
SINCE SEP 1 2 4 -2 3  
SINCE JUL 1 2 4 -2 3  
 
COOLING  
TODAY 14 6 8 16  
MONTH TO DATE 165 183 -18 223  
SINCE SEP 1 165 183 -18 223  
SINCE JAN 1 1747 1637 110 1918    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 2.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 800 AM  
LOWEST 27 300 PM  
AVERAGE 56  
   
......................................................  
 
THE LOUISVILLE KY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 98 2010  
MINIMUM TEMPERATURE (F) 60 42 1897  
1962  
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2025.....SUNRISE 729 AM EDT SUNSET 743 PM EDT  
SEPTEMBER 21 2025.....SUNRISE 730 AM EDT SUNSET 741 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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